public SourceLocation FindSourceLocation(uint rva)
{
var dataSource = DiaLoader.GetDiaSourceObject();
dataSource.loadDataFromPdb(this.pdbPath);
dataSource.openSession(out var session);
session.findLinesByRVA(rva, 0, out var sourceLocs);
sourceLocs.Next(1, out var sourceLoc, out var fetchCount);
if (fetchCount == 0)
{
return(null);
}
dataSource.getStreamSize("srcsrv", out var srcSrvLen);
dataSource.getStreamSize("sourcelink", out var sourceLinkLen);
var sourceIndexKind = SourceKind.None;
string streamName = string.Empty;
uint len = 0;
if (sourceLinkLen > 0)
{
len = sourceLinkLen;
streamName = "sourcelink";
sourceIndexKind = SourceKind.SourceLink;
}
else if (srcSrvLen > 0)
{
len = srcSrvLen;
streamName = "srcsrv";
sourceIndexKind = SourceKind.SrcSrv;
}
string srcSrvString = null;
if (len > 0)
{
var buffer = new byte[len];
unsafe
{
fixed(byte *bufferPtr = buffer)
{
dataSource.getStreamRawData(streamName, len, out *bufferPtr);
srcSrvString = Encoding.UTF8.GetString(buffer);
}
}
}
var sourceFile = new SourceFile(sourceLoc.sourceFile.fileName, sourceIndexKind, srcSrvString); // we should support embedded
var lineNum = (int)sourceLoc.lineNumber;
return(new SourceLocation(sourceFile, lineNum));
}
private static bool IsValidPdb(string pdbPath, Guid incomingSignature, uint incomingAge)
{
try
{
var dataSource = DiaLoader.GetDiaSourceObject();
var local = incomingSignature;
dataSource.loadAndValidateDataFromPdb(pdbPath, ref local, 0x53445352, incomingAge);
}
catch (System.Runtime.InteropServices.COMException)
{
return(false);
}
return(true);
}
private void AddInstructionPointersForProcessInternal(uint pid, ulong imageBase, HashSet <ulong> instructionPointers)
{
lock (this.processIdsProcessed)
{
this.processIdsProcessed.Add(pid);
var rvasToLookup = new List <uint>();
foreach (var eip in instructionPointers)
{
uint rva = (uint)(eip - imageBase);
if (!this.rvaToFunctionNameMap.ContainsKey(rva))
{
rvasToLookup.Add(rva);
}
}
if (rvasToLookup.Count == 0)
{
return;
}
var dataSource = DiaLoader.GetDiaSourceObject();
dataSource.loadDataFromPdb(this.pdbPath);
dataSource.openSession(out var session);
session.getSymbolsByAddr(out var symbolsByAddr);
foreach (var rva in rvasToLookup)
{
this.AddEntry(session, symbolsByAddr, rva + imageBase, rva);
}
symbolsByAddr = null;
session = null;
dataSource = null;
}
}
public SourceLocation FindSourceLocation(uint methodToken, int offset)
{
var dataSource = DiaLoader.GetDiaSourceObject();
dataSource.loadDataFromPdb(this.pdbPath);
dataSource.openSession(out var session);
session.findSymbolByToken(methodToken, SymTagEnum.SymTagFunction, out var methodSym);
if (methodSym == null)
{
return(null);
}
session.findLinesByRVA(methodSym.relativeVirtualAddress + (uint)offset, 256, out var sourceLocs);
sourceLocs.Next(1, out var sourceLoc, out uint fetchCount);
if (fetchCount == 0)
{
return(null);
}
dataSource.getStreamSize("srcsrv", out var srcSrvLen);
dataSource.getStreamSize("sourcelink", out var sourceLinkLen);
var sourceIndexKind = SourceKind.None;
string streamName = string.Empty;
uint len = 0;
if (sourceLinkLen > 0)
{
len = sourceLinkLen;
streamName = "sourcelink";
sourceIndexKind = SourceKind.SourceLink;
}
else if (srcSrvLen > 0)
{
len = srcSrvLen;
streamName = "srcsrv";
sourceIndexKind = SourceKind.SrcSrv;
}
string srcSrvString = null;
if (len > 0)
{
var buffer = new byte[len];
unsafe
{
fixed(byte *bufferPtr = buffer)
{
dataSource.getStreamRawData(streamName, len, out *bufferPtr);
srcSrvString = Encoding.UTF8.GetString(buffer);
}
}
}
var sourceFile = new SourceFile(sourceLoc.sourceFile.fileName, sourceIndexKind, srcSrvString); // we should support embedded
int lineNum;
while (true)
{
lineNum = (int)sourceLoc.lineNumber;
if (lineNum != 0xFEEFEE)
{
break;
}
lineNum = 0;
sourceLocs.Next(1, out sourceLoc, out fetchCount);
if (fetchCount == 0)
{
break;
}
}
return(new SourceLocation(sourceFile, lineNum));
}
